Cleaned up code to be consistent, inc. adding docblocs, using PSR naming conventions & typos

Docblocs benefits:
- IDE auto complete gives info on type etc
- Auto documentation on CI

AbstractFactory/Json/Picture.php

@@ -1,20 +1,24 @@
 <?php
 
-/*
- * DesignPatternPHP
- */
-
 namespace DesignPatterns\AbstractFactory\Json;
 
 use DesignPatterns\AbstractFactory\Picture as BasePicture;
 
 /**
+ * Class Picture
+ *
  * Picture is a concrete image for JSON rendering
+ *
+ * @package DesignPatterns\AbstractFactory\Json
  */
 class Picture extends BasePicture
 {
 
-    // some crude rendering from JSON output
+    /**
+     * some crude rendering from JSON output
+     *
+     * @return string
+     */
     public function render()
     {
         return json_encode(array('title' => $this->_name, 'path' => $this->_path));